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11-06-2008
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If File has been updated, do something??
Put this together from somewhere else on the forums, just modified it and added the loop. Code:
#!/bin/ksh localFile=$1 remoteFile=$2 #source FTP parameters . .ftp_put.cfg mylog=ftp_session.log echo "$(date "+%H:%M:%S") - Attempt to FTP $1 to $2" > $mylog machine="server1 server2 server3 server4" count=0 # do the FTP put for machine in $machine do ftp -i -n <<EOF >> $mylog open $machine user $FTP_LOGIN $FTP_PASSWORD put $localFile $remoteFile ls $remoteFile quit EOF count=`expr $count + 1` done This script gets called by another script through a cron job every 5 minutes: Code:
/tmp/abcQATest/abcMoveTest.sh archive.tar /tmp/archive.tar Anyways, I was wondering if there was any way of making it a little better. Currently this simply ftp's that static file every 5 minutes, regardless of if the file has been updated or not. The way it works now is if someone needs to make an update to the 4 server's that this script FTP's to, they simply drop their archive file(named archive.tar) to the /tmp/abcQATest/ directory, and then within 5 minutes the crontab runs and ftp's their file to server 1-4 at the /tmp/archive.tar location. Is there any way to set this up so it only ftp's the file if it's been updated since the last time the ftp ran? That way, if it gets updated, it get's FTP'd once, but then it doesn't get FTP'd again unless the file's been changed? Then on the other 4 servers, I also need something like this: Code:
If /tmp/archive.tar has been updated do something . . else endif The do something part is just a couple quick moves, extracts and deletes, that's no big deal. It's If statement I am stumped on. |
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11-06-2008
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Script: Code:
diff archive.tar backup.tar > tmp if [ -s tmp ]; then /tmp/abcQATest/abcMoveTest.sh archive.tar /tmp/archive.tar echo "Files different, transferring files" else echo "Files the same, exiting"; fi Results: Code:
/tmp/abcQATest>./autoMoveScript.sh Binary files archive.tar and backup.tar differ Files the same, exiting /tmp/abcQATest> The binary files do differ, but then for some reason it always goes to the second part of the if statement. Last edited by cbo0485; 11-06-2008 at 05:17 PM.. |
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11-07-2008
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Quote:
Code:
diff archive.tar backup.tar > tmp if [ -a tmp ]; then /tmp/abcQATest/abcMoveTest.sh archive.tar /tmp/archive.tar echo "Files different, transferring files" cat archive.tar > backup.tar else echo "Files the same, exiting"; fi |
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11-07-2008
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Here's my final code I got working. Code:
cmp archive.tar backup.tar > /dev/null if [[ $? -eq 1 ]]; then /tmp/abcQATest/abcMoveTest.sh archive.tar /tmp/archive.tar echo "Files different, transferring files" cat archive.tar > backup.tar else echo "Files the same, exiting"; fi |
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